The Mestic MCC-45 Dual Zone compressor cool box gives you proper refrigeration and freezing capability wherever you travel. Unlike thermoelectric coolers that struggle in hot weather, this compressor-driven unit maintains temperatures from -18°C to +10°C regardless of ambient conditions. The dual zone design lets you freeze ice packs in one compartment whilst keeping drinks chilled in the other, which proves genuinely useful on extended trips. With 45 litres of capacity split across two equal compartments, you can stand 2-litre bottles upright and pack enough provisions for a family of four on a week-long tour. The unit connects via the included 12V/24V car charger or 230V mains adapter, so you can run it from your vehicle's leisure battery whilst driving and switch to hook-up power at site.
Control happens through the front-mounted LCD display or the Mestic smartphone app over Bluetooth and WiFi. The app lets you monitor temperatures, switch between Celsius and Fahrenheit, and toggle eco mode without opening the lid. LED interior lighting helps when you're rummaging about after dark at the campsite. There's also a USB charging port built into the control panel, handy for topping up phones or tablets. At 18.3kg, it's manageable for two people to lift using the recessed side handles, though you'll want it secured properly whilst travelling as compressor cool boxes don't appreciate being bounced around on rough tracks.
The MCC-45 suits caravanners and motorhomers who need reliable cooling without relying on absorption fridges or constantly buying ice. It draws more power than passive coolers (compressors need energy to work), so you'll want a decent leisure battery setup or regular access to mains hook-up if you're running it for days on end. The separate zones mean you're not forced to compromise between keeping meat frozen and drinks at drinking temperature, which matters on longer trips where you can't easily restock.
Mestic MCC-45 Compressor Cool Box AC/DC UK Features
Refrigeration and freezing from -18 °C to +10 °C
Two separate cooling and freezing zones
Works on 12 V, 24 V and 230 V
Digital display with USB connection
LED interior lighting
Operation with the Mestic app via Bluetooth or WiFi
Includes 230 V adapter
Capacity: 45 L (suitable for 2 L bottles)
Specifications
Connection Voltage: 12/24 V (DC) en 220-240 V (AC)
Dimensions (lxwxh): 68.2 x 39.2 x 49.3cm
Display: Digital Display
EAN-code: 8712757488131
Eco mode: Yes
Suitable for: 2 L bottles
Weight: 18.3kg
Content: 45L
Adjustable Temperature Range: -18 °C ~ +10 °C
Cool Box Type: Compressor
Frequently Asked Questions
What's the difference between dual zone and single zone compressor cool boxes?
Dual zone compressor cool boxes like the Mestic MCC-45 contain two separate compartments with independent temperature controls. You can freeze food at -18°C in one zone whilst keeping drinks chilled at +5°C in the other. Single zone models only have one temperature setting across the entire interior. Dual zone units cost more and use slightly more power but eliminate the need to compromise between freezing and refrigeration temperatures.
How much power does the MCC-45 draw from a leisure battery?
Compressor cool boxes draw variable power depending on ambient temperature and how often you open them. The MCC-45 typically consumes between 45 and 60 watts when actively cooling. In hot conditions or when first cooling down from ambient temperature, power draw increases. Most users need a 100Ah leisure battery minimum for overnight operation without running the battery flat, though actual runtime depends on battery condition, solar input, and ambient temperature. The eco mode reduces power consumption by allowing wider temperature fluctuations.
Can you run the Mestic MCC-45 whilst driving?
The MCC-45 works perfectly whilst driving when connected to 12V or 24V vehicle power through the included car charger. The compressor cool box should be secured properly to prevent movement and potential damage to the compressor during travel. Many caravanners and motorhomers run these units continuously during multi-day trips, switching between vehicle power whilst moving and mains hook-up or leisure battery when stationary. The unit automatically adjusts to different voltage inputs.
What's the advantage of compressor cooling over thermoelectric cool boxes?
Compressor cool boxes like the Mestic MCC-45 actively refrigerate contents to set temperatures regardless of ambient conditions. Thermoelectric coolers only chill contents to typically 20°C below ambient temperature, which means they struggle in hot weather and cannot freeze. Compressor units reach freezer temperatures down to -18°C even in 35°C heat. They cost more initially and weigh more than thermoelectric models but provide proper refrigeration comparable to household fridges rather than just keeping things cool.
Does the Mestic app work without internet connection?
The Mestic app connects to the MCC-45 via Bluetooth, which works without internet or mobile signal. Bluetooth range typically extends to about 10 metres depending on obstacles. The WiFi connection option requires the cool box to connect to a local WiFi network, which then allows control through the app from anywhere with internet access. Basic operation through the LCD display on the unit itself requires no app or connectivity at all.
How long does it take the MCC-45 to freeze items from room temperature?
Freezing time depends on the initial temperature of items, ambient conditions, and how full the compartment is. Pre-chilled items freeze faster than room temperature ones. A compressor cool box typically takes 3 to 4 hours to freeze ice packs from ambient temperature in moderate conditions, longer in hot weather or when the compartment is packed full. For best results, pre-cool items in a domestic freezer before departure and use the cool box to maintain frozen temperature rather than freeze large quantities from ambient.
Will the MCC-45 fit in a standard caravan or motorhome?
The Mestic MCC-45 measures 68.2cm long by 39.2cm wide by 49.3cm high externally. It fits in most caravan and motorhome floor spaces but check your available dimensions before ordering. The unit needs ventilation space around the compressor vents to operate efficiently. Many users secure these cool boxes between fixed furniture or use ratchet straps to prevent movement whilst travelling. At 18.3kg empty, it exceeds the weight comfortable for one person to lift alone, though the recessed handles help with two-person carrying.
What happens if you tip a compressor cool box on its side?
Compressor cool boxes contain refrigerant and compressor oil that should remain in specific locations within the sealed system. Tipping the unit beyond about 45 degrees can allow oil to flow into areas it shouldn't reach. If this happens, stand the cool box upright and wait at least 24 hours before switching it on to let the oil drain back. Running a compressor immediately after tipping risks damaging the compressor mechanism. Secure the MCC-45 properly during transport to prevent tipping.
If you’ve changed your mind about keeping your purchase, please return it in its original condition with proof of purchase and we’ll exchange or refund it. Unless faulty, this should be within 100 days of receiving your order. By original condition, we’d expect this to mean that you’ve kept packaging and labels, and that the item is undamaged and unused.
For further information of how to return your item, please visit the "Returning an Unwanted/Faulty/Damaged Item" section on our Help Page.
Did you know we have been established and have been in the caravan and motorhome industry for over 50 years?
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